Problem 1.Spandex, Inc., automated its plant at the start of the current year and installed a flexible manufacturingsystem.Thecompanyisalsoevaluatingitssuppliersandmovingtoward LeanProduction. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.

Month 2 4 Throughput time (days) .. . ? ? Delivery cycle time (days) . .. Manufacturing cycle efficiency (MCE) . . . ? Percentage of on-time deliveries . . . . . 91% 86% 83% 79% Total sales (units) . . . 3,210 3,072 2,915 2,806Average per Month (in days) 2 3 4 Move time per unit .. 0.4 0.3 0.4 0.4 Process time per unit ... 2.1 2.0 1.9 1.8 Wait time per order before start of production . . . . 16.0 17.5 19.0 20.5 Queue time per unit . . . 4.3 5.0 5.8 6.7 Inspection time per unit 0.6 0.7 0.7 0.6